Operating model (OM) conditioning report for M = 0.25 Steepness = 0.95
Output from SAMtool Rapid Conditioning Model (RCM)
2025-08-21
Summary
Operating model
Updated parameters
Histogram of R0 (unfished recruitment).
Histogram of historical depletion.
Historical recruitment deviations among simulations.
Future recruitment deviations (up to 5 simulations).
Annual mean and median of future recruitment deviations.
Histogram of recruitment autocorrelation.
Apical F from RCM model.
Operating model selectivity in the last historical year (all simulations).
Parameter correlations
Correlation between unfished recruitment and depletion in operating model.
Correlation between unfished recruitment and steepness in operating model.
Correlation between depletion and steepness in operating model.
RCM-OM comparison
Re-run plot() function with argument
compare = TRUE.
RCM output
Simulations
Fleet 1
Length selectivity of Fleet 1.
Age-based selectivity of Fleet 1.
Fishing Mortality of Fleet 1.
Observed (black) and predicted (red) catch from Fleet 1.
Observed (black) and predicted (red) mean ages from Fleet 1.
Observed (black) and predicted (red) mean lengths from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Fleet 2
Length selectivity of Fleet 2.
Age-based selectivity of Fleet 2.
Fishing Mortality of Fleet 2.
Observed (black) and predicted (red) catch from Fleet 2.
Observed (black) and predicted (red) mean ages from Fleet 2.
Observed (black) and predicted (red) mean lengths from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Fleet 3
Length selectivity of Fleet 3.
Age-based selectivity of Fleet 3.
Fishing Mortality of Fleet 3.
Observed (black) and predicted (red) catch from Fleet 3.
Observed (black) and predicted (red) mean ages from Fleet 3.
Observed (black) and predicted (red) mean lengths from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Fleet 4
Length selectivity of Fleet 4.
Age-based selectivity of Fleet 4.
Fishing Mortality of Fleet 4.
Observed (black) and predicted (red) catch from Fleet 4.
Observed (black) and predicted (red) mean ages from Fleet 4.
Observed (black) and predicted (red) mean lengths from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Fleet 5
Length selectivity of Fleet 5.
Age-based selectivity of Fleet 5.
Fishing Mortality of Fleet 5.
Observed (black) and predicted (red) catch from Fleet 5.
Observed (black) and predicted (red) mean ages from Fleet 5.
Observed (black) and predicted (red) mean lengths from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Fleet 6
Length selectivity of Fleet 6.
Age-based selectivity of Fleet 6.
Fishing Mortality of Fleet 6.
Observed (black) and predicted (red) catch from Fleet 6.
Observed (black) and predicted (red) mean ages from Fleet 6.
Fleet 7
Length selectivity of Fleet 7.
Age-based selectivity of Fleet 7.
Fishing Mortality of Fleet 7.
Observed (black) and predicted (red) catch from Fleet 7.
Observed (black) and predicted (red) mean ages from Fleet 7.
Fleet 8
Length selectivity of Fleet 8.
Age-based selectivity of Fleet 8.
Fishing Mortality of Fleet 8.
Observed (black) and predicted (red) catch from Fleet 8.
Observed (black) and predicted (red) mean ages from Fleet 8.
Index 1
Age-based selectivity of Index 1 in last historical year.
Observed (black) and predicted (red) index values for Index 1.
Observed (black) and predicted (red) index values for Index 1. Error bars indicate 95% confidence intervals for observed values.
Model predictions
Histogram of initial depletion among all simulations.
Estimated recruitment among all simulations.
Estimated spawning biomass among all simulations.
Estimated spawning depletion among all simulations. Unfished spawning biomass is the value calculated from first year life history parameters.
Dynamic SSB0 among all simulations. Model is re-run assuming no historical catches.
Estimated recruitment deviations among all simulations.
Equilibrium spawning potential ratio (SPR) calculated from the biological parameters and F-at-age in the corresponding year for all simulations.
Dynamic spawning potential ratio (SPR) calculated from the biological parameters and cumulative survival of the cohorts in the corresponding year for all simulations.
Fit to mean parameters of the OM
RCM Estimates
Life History
Length-at-age in the last historical year. Dotted lines indicate 95% intervals for variability in length-at-age.
Annual length-at-age.
Weight-at-length in the last historical year
Weight-at-age in the last historical year.
Annual weight-at-age.
Maturity-at-age in the last historical year.
Annual maturity-at-age.
Maturity-at-length in the last historical year.
Fecundity-at-age (product of spawning output and maturity) in the last historical year.
Annual fecundity-at-age.
Natural mortality in last historical year.
Annual M-at-age.
Data and Fit
Catch
Catch time series.
Observed (black) and predicted (red) catch from fleet 1.
Observed (black) and predicted (red) catch from fleet 2.
Observed (black) and predicted (red) catch from fleet 3.
Observed (black) and predicted (red) catch from fleet 4.
Observed (black) and predicted (red) catch from fleet 5.
Observed (black) and predicted (red) catch from fleet 6.
Observed (black) and predicted (red) catch from fleet 7.
Observed (black) and predicted (red) catch from fleet 8.
Index
Observed (black) and predicted (red) index from survey 1.
Index residuals (in log space) for index from survey 1.
Length comps
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 1.
Multinomial Pearson residuals (bubbles) for length composition from Fleet 1.
Multinomial Pearson residuals (colored tiles) for length composition from Fleet 1.
Observed (black) and predicted (red) mean length from the composition data for Fleet 1.
Observed (black) and predicted (red) length composition from Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 2.
Multinomial Pearson residuals (bubbles) for length composition from Fleet 2.
Multinomial Pearson residuals (colored tiles) for length composition from Fleet 2.
Observed (black) and predicted (red) mean length from the composition data for Fleet 2.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 3.
Multinomial Pearson residuals (bubbles) for length composition from Fleet 3.
Multinomial Pearson residuals (colored tiles) for length composition from Fleet 3.
Observed (black) and predicted (red) mean length from the composition data for Fleet 3.
Observed (black) and predicted (red) length composition from Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 4.
Multinomial Pearson residuals (bubbles) for length composition from Fleet 4.
Multinomial Pearson residuals (colored tiles) for length composition from Fleet 4.
Observed (black) and predicted (red) mean length from the composition data for Fleet 4.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Observed (black) and predicted (red) length composition from Fleet 5.
Multinomial Pearson residuals (bubbles) for length composition from Fleet 5.
Multinomial Pearson residuals (colored tiles) for length composition from Fleet 5.
Observed (black) and predicted (red) mean length from the composition data for Fleet 5.
Output
Terminal year selectivity by fleet.
Time series of fishing mortality by fleet.
Time series of spawning biomass.
Time series of equilibrium unfished spawning biomass (growth and/or M are time-varying).
Time series of spawning depletion, using the unfished biomass from the replacement line at the beginning of time series.
Time series of dynamic SSB0 (reconstructed population without fishing mortality).
Time series of recruitment.
Stock-recruit relationship and estimated recruitment. The red point indicates unfished values.
Stock-recruit relationship with trajectory.
Annual spawning potential ratio (SPR). Equilibrium SPR is calculated from the F-at-age in the corresponding year, while dynamic SPR is calculated from the cumulative survival of cohorts.
Time series of recruitment deviations.
Time series of recruitment deviations with 95% confidence intervals.
Time series of abundance.
Predicted abundance-at-age.
Predicted catch-at-age (summed over all fleets).
Predicted catch-at-length (summed over all fleets).